dma-debug: dump buffers and mappings via debugfs
authorKonsta Holtta <kholtta@nvidia.com>
Fri, 30 Aug 2013 07:16:41 +0000 (10:16 +0300)
committerDan Willemsen <dwillemsen@nvidia.com>
Fri, 27 Sep 2013 19:51:52 +0000 (12:51 -0700)
commit41797576db9434854211956abe9cc56ad79f2a9c
tree300e2fd63a532fdc75b15652b54321a33efb0fd0
parent9a725a610d02715b098e20936b1f3103cfffe755
dma-debug: dump buffers and mappings via debugfs

Export via debugfs the debug-dma infrastructure's data about allocated
mappings, and architecture specific information about possible mappings.

Bug 1173494

Change-Id: I6c64364dad69f83fd301a89938fe184dde33806a
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Reviewed-on: http://git-master/r/268384
GVS: Gerrit_Virtual_Submit
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
arch/arm/include/asm/dma-iommu.h
arch/arm/mm/dma-mapping.c
lib/dma-debug.c